Gaya APA
Alexander, W, M., Saylor, J. (1959).
Modern Secondary Education : Basic Principles and Practices .
New York, Chicago, San Francis:
Rinehhart & Company.
Gaya MLA
Alexander, William, M.., Saylor, J.Galen.
"Modern Secondary Education : Basic Principles and Practices".
New York, Chicago, San Francis:
Rinehhart & Company,
1959.
Textbook.